Knock vs Collide - What's the difference?

knock | collide |

As verbs the difference between knock and collide

is that knock is (dated) to rap one's knuckles against something, especially wood while collide is to impact directly, especially if violent.

As a noun knock

is an abrupt rapping sound, as from an impact of a hard object against wood.




(en noun)
  • An abrupt rapping sound, as from an impact of a hard object against wood
  • I heard a knock on my door.
  • An impact.
  • He took a knock on the head.
  • (figurative) criticism
  • * 2012 , Tom Lamont, How Mumford & Sons became the biggest band in the world'' (in ''The Daily Telegraph , 15 November 2012)[]
  • Since forming in 2007 Mumford & Sons have hard-toured their way to a vast market for throaty folk that's strong on banjo and bass drum. They have released two enormous albums. But, wow, do they take some knocks back home.
  • (cricket) a batsman's innings.
  • He played a slow but sure knock of 35.
  • (automotive) Preignition, a type of abnormal combustion occurring in spark ignition engines caused by self-ignition or the characteristic knocking sound associated with it.
  • Verb

    (en verb)
  • (dated) To rap one's knuckles against something, especially wood.
  • Knock on the door and find out if they're home.
  • (dated) To strike for admittance; to rap upon, as a door.
  • * Shakespeare
  • Master, knock the door hard.
  • (ambitransitive, dated) To bump or impact.
  • I knocked against the table and bruised my leg.
    I accidentally knocked my drink off the bar.
  • * 1900 , L. Frank Baum, The Wonderful Wizard of Oz Chapter 23
  • "The Silver Shoes," said the Good Witch, "have wonderful powers. And one of the most curious things about them is that they can carry you to any place in the world in three steps, and each step will be made in the wink of an eye. All you have to do is to knock the heels together three times and command the shoes to carry you wherever you wish to go."
  • (colloquial) To denigrate, undervalue.
  • Don't knock it until you've tried it.
  • (soccer) To pass, kick a ball towards another player.
  • * {{quote-news
  • , year=2011 , date=January 11 , author=Jonathan Stevenson , title=West Ham 2 - 1 Birmingham , work=BBC citation , page= , passage=Despite enjoying more than their fair share of possession the visitors did not look like creating anything, with their lack of a killer ball painfully obvious as they harmlessly knocked the ball around outside the home side's box without ever looking like they would hurt them. }}

    Derived terms

    * knock someone's block off * knock someone's socks off

    Derived terms

    * antiknock * knock about * knock around * knock down * knock for a loop * knock it off * knock knock * knock off / knockoff * knock oneself out * knock somebody's socks off * knock out / knockout * knock over * knock up * knocked up * knocker * knocker up * knocking shop * school of hard knocks English onomatopoeias 1000 English basic words




  • To impact directly, especially if violent
  • When a body collides with another, then momentum is conserved.
  • * Tyndall
  • Across this space the attraction urges them. They collide , they recoil, they oscillate.
  • * Carlyle
  • No longer rocking and swaying, but clashing and colliding .
  • * {{quote-news
  • , year=2012 , date=June 2 , author= Phil McNulty , title=England 1-0 Belgium , work=BBC Sport citation , page= , passage=And this friendly was not without its injury worries, with defender Gary Cahill substituted early on after a nasty, needless push by Dries Mertens that caused him to collide with goalkeeper Joe Hart, an incident that left the Chelsea defender requiring a precautionary X-ray at Wembley.}}
  • To come into conflict, or be incompatible
  • China collided with the modern world.


    * clash